This may be something that you’ll only see in the Big Apple. According to this post in the NY Times “Ms. Jovin is a new member of a city subway ecosystem known for its string-instrument musicians, break-dancers and religion preachers. About four times a week, she schleps a foldable table and a chair to locations such as a triangular sidewalk plaza outside a subway entrance off 72nd Street or inside the underground expanses of Grand Central Station or Times Square and sets up the Grammar Table…